80pcs sanding discs per box, 10 x 40/60/80/100/120/150/180/240 grit sandpaper from coarse to fine, easy to sand 8 holes are designed for efficient dust extraction The sanding discs adhere perfectly to the backing and can always be easily changed Mainly used for grinding and polishing wood, plastic, stone, glass, metal and non-metallic materials to remove rust, strip paint and deburring 8-hole sandpaper also suitable for 125mm random orbital sanders of other brands, such as TC-RS 38 E, DBO180Z, GEX 12V-125, DWE6423